| Intelligent Catalyst
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 Daihatsu
has developed the world's first "intelligent catalyst"
with a precious metal (palladium) that self-regenerates by utilising
the natural oxidation-reduction fluctuation in exhaust gas. This
regenerating effect helps the catalyst maintain its initial performance
for purifying the exhaust gas.
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| DVVT (Dynamic
Variable Valve Timing) |
A computer optimises the valve timing according to such conditions
as engine rpms and how far the accelerator pedal is depressed.
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| Daihatsu Original
Catalyst |
Daihatsu's original technology led to development of this compact,
high-performance, long-lasting catalyst for purifying exhaust gas.
It replaces previous complicated, expensive systems that incorporate
three separate catalyst converters. Called a "manifold converter"
(it's placed close to the engine), the new catalyst has just one
catalytic converter yet achieves Japan's ULEV (Ultra-Low Emission
Vehicle) standards
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| Two O2-Sensor System |
This system places one O2 sensor upstream and one downstream from
the Daihatsu Original Catalyst. The sensors detect oxygen levels
in the exhaust gas and adjust the air/fuel ratio accordingly to
maintain superior CO, HC, and NOx purification.
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